Fix: uninitialized memory access. (Dominique Pelle)

diff --git a/src/spell.c b/src/spell.c
index 30510ad27176cc23388f8965852dc4607642f2a3..eb04c2910d882c020c139b6cf908b8bcfbb6bba7 100644 (file)
--- a/src/spell.c
+++ b/src/spell.c
@@ -14751,10 +14751,18 @@ soundalike_score(goodstart, badstart)
     char_u     *pl2, *ps2;
     int                score = 0;
 
-    /* adding/inserting "*" at the start (word starts with vowel) shouldn't be
+    /* Adding/inserting "*" at the start (word starts with vowel) shouldn't be
      * counted so much, vowels halfway the word aren't counted at all. */
     if ((*badsound == '*' || *goodsound == '*') && *badsound != *goodsound)
     {
+       if ((badsound[0] == NUL && goodsound[1] == NUL)
+           || (goodsound[0] == NUL && badsound[1] == NUL))
+           /* changing word with vowel to word without a sound */
+           return SCORE_DEL;
+       if (badsound[0] == NUL || goodsound[0] == NUL)
+           /* more than two changes */
+           return SCORE_MAXMAX;
+
        if (badsound[1] == goodsound[1]
                || (badsound[1] != NUL
                    && goodsound[1] != NUL